Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10903931 | Transmit power equalization in a reconfigurable optical add-drop multiplexer | — | 2021-01-26 |
| 6201873 | Loudspeaker-dependent audio compression | — | 2001-03-13 |
| 6178162 | Method and apparatus for inhibiting echo in a channel of a communication system | Heping Ding | 2001-01-23 |
| 5796818 | Dynamic optimization of handsfree microphone gain | Scott McClennon, Heping Ding | 1998-08-18 |